Improvement in filters



Brook- "ngs,and Stateof New York, rnewl'and` useful` Improvements th r connections; andiIdo hereby de 'l-.full` antLeXactdescription I THoMAs BAnRows, of

` thereo.` i r Y Myinyentro ntended for use-,in the cellar or Lot-,her convenient part of a house, or of `fabuildi'ng for man uactureprfor other purposes, in which the water is required toibedelivered either constantly` or at interra-1s in a pure'state', zand to filter on a large scale, A:and with littleresistancegor diminution of the pressure of the water. .i 1 -I `have invented V.improvements both in the construcoftthe filter and -infrthe` mode `of' .connecting andl tion p arranging it. i i i t I will rstydeseribe whatfI consider the best means of carrying ont myinvention, and will afterward designate ithepoint's which `Ibelievetobe new. i i p'lhefaecompanying specification` Figure ings forni apart of this" i ,i l Quot" my improved filter. `al central s tiontbrough yFigure?) 1s a ro Y s s ing. 1,. Similar `letters of reference indicate 1 corresponding artsinallthe figures) i `The exterior ot' ny is `composed mainly of two `lar,`gfe shells,iof cast``iron` or other suitable material,l

rmarked respectively AfamlAi.A y i i `These shells `haye anges' al; aextendingqu-ite around, by `nneansof whichthey arefirmly bolted toi gether` by means ofthe screw-bolts B and, nuts BCL `They. embrace b een them two thicknesses of i vulcanized rubber, "ort-analogous soft material, indi-iV cated' by c'c,`aud a flange, d, of a large case, D, hav- 'ing anoutline corresponding with the interior formof "the lter. This case1Dinclosesathick-stratum ofvfltering material," Efamore particular description ot' which latter will be given hereafter."` i u .y j MandN are cocks which control the direction 'of thewater.` l d l -The water enterstheb riding through the pipe G,

` i `which.connectswit-h the; reet main or other source V not represcntethfOn arryingat the cock Mit is, .as ordinarily worked,`allowed to flow downward, and to enter the lower shell A? through thepipe H. Thenee it rises through `the filtering material E into the up-' per shell A?, andthenee ows out freely through the pipe I and coekN `i`nto the pipe J, 4whieh'leads upf 4ward and distributes the/.Water properly-fin the house, or for whatever purpose it is intended.` This condition continues until the lowerI surface of the-filtering Bn' ooirrgfrrr.` New Y o it n.

material E has accumulated auimalcuhe or other solid matter from the continuous Vfiltering of the water.

My invention `provides for not only very rapidly and thoroughly cleansing .the filtering material, `but provides forthe effective and comfenient removal ofthe i `solid impurities.

. The `levers 'nt an of the cocks M'Nare connected by the bar P, which is loosely rivetedto each, sothat the turning of onetnrnms the other. y

New, by turning the 'cocks M and N, or, in other `words, shifting the position of the baul) to the left, ,the loWv of water is entirely reversed. The flow through the pipes G and H- is arrested, and the full force of thewater is turned through the pipe K into the 4upper shell A2, whence it descends through the `filtering material E, washing out all its impurities, and thence flows first through the pipe L into the"l cook N, and thence downward through the pipe 1t into the sewer.

I=esteem it important to the complete suecessof my inventicnthat there shall be sewer, orequivalent drain, at a low level, which shall vreceive the water freely `in a` strong stream through the pipe R, and con- 4rey it quickly and conveniently away.

After-,the water has'ruu in, this manner for a few miniites'the materialld'will be thoroughly cleansed,

andthe cocksmay be again placed inV their-"original i .`position, and the current of water will 'low as'before. The cock M is a three-way cock, capable ot' direct ing the Water through either pipe H or K, while it is k received freely in either position from the pipe G.

. The cock N is a four-way cock. In. one position it receives the water from the pipe I, and dischargesit into th'ehouse pipe J. In the other positionv the communication between thcsepipes is closed, and a free communication is-opened between tl'erpiple'sLiand R.-

It bei-ng understood that allmy parts may be made of any ordinary or suitable material, and of such sizesas 'may be preferred for various uses, but that they are best adapted for large sizes where large "quantities are .to be4 filtered, and that the connections of the pipes may be made either byfeouplings, as represented, or by soldering, Hanging, or.l other approved nieans, I will now direct attention to my peculiar' provision for the `filtering material.

I propose to use, in most` instances, the filteringstone described in the patent of .Frederic G. KrauseA February 17, 1863, I forni 'the inclosing-i'ame, or'

the packing material c tra constructionwhich is cheaply 'i mf'aaand easily made and fitted up, not liable -to derangement, and is easily made accessible when desired.

Ido not consider it absolutely essential to employ the filtering-stone designated. Any other material which has the proper qualities might be made to serve in its stead 5 or I can use a loose material, as sand, pulverized charcoal, or any other ordinary or proper material, and can hold it between sheets oi' wire-ganze sustained by gratings, o1l other suitable means.

I do not esteem it essential that my filter shall stand in a horizontal position. l It may be upright or variously inclined, if preferred; or again, the current may be usually downward, and it may be cleaned by an upward current, if preferred.

Any other modifications in the details may be made hyany good mechanic, but I prefer the form and arrangement here represented.

I claim- 1. The flange-frame D d, arranged as represented relatively to the inclosed filtering material E,and an inelosinff-ease in two arts Al A2 with connections o a A I 1 a for admitting and discharging the water, and suitable packing c c, for forming a tight joint therewith, as herein specified. I

2. The arrangement of the filtering material E and a suitable inclos'ing-ease, relatively to the street controlling the eduction, and tl1e\ connecting-bar relatively to the lter A1 A2 E and its connections, all as and for the purposes hereinset forth.

In testimony whereof I have hereunto set myname in presence of two subscribing witnesses. f THOMAS BARROWS.

Witnesses:

C. O. LIviNGs, WM. G. DEY. 

